Dr. Diganta Kumar  Bora
Faculty Profile • AAU

Dr. Diganta Kumar Bora

Assistant Professor
diganta.k.bora [at] aau.ac.in Joined: 23 Aug, 2011 In-Charge, Tea Processing Unit, In-charge of Experimental Garden for Plantation Crops
53
Publications
5
Projects
5
Degrees
2
Career Milestones
5
Honours & Awards
Academic Background

Education & Career Milestones

Educational Qualifications
B.Sc. (Agri) with specialisation in Tea Husbandry & Technology
2001
Assam Agricultural University
M.Sc.(Agri)
2004
Assam Agricultural University
Specialization: Tea Husbandry & Technology
Ph.D.(Agriculture)
2023
Assam Agricultural University, Jorhat
Specialization: Tea Husbandry & Technology
Employment History
Subject Matter Specialist
23-08-2011 – 02-03-2016
Krishi Vigyan Kendra, Assam Agricultural University
Tinsukia
Assistant Professor
03-03-2016 – Till date
Assam Agricultural University
Jorhat
Research & Scholarship
Scholarly Publications 53 Total Records
1
Plabita Saikia; Laximipriya Saikia; Aditi Smith Gogoi; Rana Pratap Bhuyan; Gayatri D Bhuyan; Diganta Kumar Bora (2026). Role of enzymes in tea: From plant to cup, International Journal of Advanced Biochemistry Research, 10(2), 1012–1017 DOI: https://www.doi.org/10.33545/26174693.2026.v10.i2S
2
Rittik Raj Sarmah Pathak; Manashi Gogoi; Diganta Kumar Bora; Manuranjan Gogoi (2026). Forward and Backward Linkages and Market Actors in Organic and Conventional Tea Production in Assam, India, International Journal of Agriculture Extension and Social Development , 48(3), 362–371 DOI: https://doi.org/10.9734/jeai/2026/v48i34133
3
Rittik Raj Sarmah Pathak; Manashi Gogoi; Diganta Kumar Bora; Manuranjan Gogoi (2025). Constraints of Conventional and Organic Small Tea Growers in Assam, International Journal of Agriculture Extension and Social Development , 9(1), 13–15 DOI: https://www.doi.org/10.33545/26180723.2026.v9.i1a
4
Pragya Permita Acharyya; Runjun Sarma; Anurag Kashyap; Jyotishmoi Dey; Diganta Kumar Bora; Sidananda Sarma; Sazzadur Rahman; Devasish Chowdhury; Munmi Sarma (2025). Synthesis, characterization, and food packaging application of bacterial nanocellulose film produced through biovalorization of tea factory waste, Polymer bulletin, 0(0), 0–0 DOI: https://doi.org/10.1007/s00289-025-06009-6
5
Diganta Kumar Bora; Rana Pratap Bhuyan; Sristisri Upadhyaya (2025). Tea Processing in Major Tea Producing Countries, Journal of Scientific Research and Reports, 31(4), 59–74 DOI: 10.9734/jsrr/2025/v31i42928
6
Punam Borah; Sristisri Upadhyaya; Diganta Kumar Bora; Deepa Sharma (2025). Weed Flora of Tea Plantation of Golaghat, Assam with Special Emphasis on Life Form Classification, International Journal of Plant & Soil Science, 37(3), 335–341 DOI: 10.9734/ijpss/2025/v37i35371
7
Rana Pratap Bhuyan; Rashmi Kalita; Reshma Ahmed; Biswarup Bora; Nabajeet Tanti; Dhananjay Kumar; Supriya Sonowal; Eimon Bharadwaj; Aditi Smith Gogoi; Diganta K (2024). Innovative approaches to optimize tea waste for sustainable product development, Plant Archives, 25(1), 2531–2536 DOI: https://doi.org/10.51470/PLANTARCHIVES.2025.v.supp
8
Diganta Kumar Bora; Manuranjan Gogoi; Aditi Smith Gogoi; Rana Pratap Bhuyan; Eimon Bharadwaj; Rashmi Kalita; Pubali Neog; Bidisha Hazarika; Sristisri Upadhyay (2024). Crush Tear Curl (CTC) Green Tea Processing: A Modified form of Green Tea for the Tea Lovers, Journal of Scientific Research and Reports, 30(5), 535–546 DOI: 10.9734/JSRR/2024/v30i51969
9
Gitanjali Devi; Badal Bhattacharyya; Diganta Kumar Bora; Manuranjan Gogoi (2024). Field pathogenicity and persistence of entomopathogenic nematode, Heterorhabditis bacteriophora infecting termite (Odontotermis obesus Rambur) in tea plantation, Journal of Entomological Research, 47(0), 844–848
10
Bidisha Hazarika; Pompi Dutta; Manuranjan Gogoi; Aditi Smith Gogoi; Diganta Kumar Bora (2024). Tea Tourism : Navigating the Future of Assam's Agritourism, Journal of Scientific Research and Reports, 30(4), 77–88 DOI: 10.9734/JSRR/2024/v30i41891
11
Bidisha Hazarika; Gautam Kumar Saikia; Manuranjan Gogoi; Diganta Kumar Bora (2023). Azadirachta indica Biopesticide: A Sustainable Alternative to Synthetic Chemicals in Pest Control, Ecology, Environment and Conservation, 30(0), 0–0
12
Lakhya Jyoti Gogoi; Diganta Kumar Bora; Sahabuddin Ahmed; Sristisri Upadhyaya; Kamala Kanta Borah (2022). Phytochemical profiling, antioxidant activity and antimicrobial activity of Argyrcia speciosa (Linn.f.) Sweet., collected from Darrang district, Assam, Ecology, Environment and Conservation, 28(0), 0–0
13
Sristisri Upadhyaya; Diganta Kumar Bora; Junali Chetia (2022). Antioxidant, Antimicrobial and Phytochemical Study of Different Solvent Extracts of Fruits of Terminalia bellerica (Gaertn.) Roxb., from Dibrugarh, Assam, International Journal of Plant & Soil Science, 34(10), 103–109 DOI: 10.9734/IJPSS/2022/v34i1030926
14
Ripsita Phukan; Indra Prasad Sahewalla; Diganta Kumar Bora (2022). Assessing the Impact of Gas Flaring on Tea Plants in the South of Kothaloni OCS in the District of Dibrugarh, Assam, India, International Journal of Plant & Soil Science, 34(11), 97–106 DOI: 10.9734/IJPSS/2022/v34i1130943
15
Bharath Amuri; Gitanjali Devi; B. N. Choudhury; P. Debnath; Diganta Kumar Bora (2020). Isolation and Identification of Heterorhabditis bacteriophora from Tea Plantation of Assam, International Journal of Current Microbiology and Applied Sciences, 9(7), 3866–3879 DOI: 10.20546/ijcmas.2020.907.453
16
Diganta Kumar Bora; Dr. Rana Pratap Bhuyan; Manuranjan Gogoi; Dr. Sristisri Upadhyaya (2020). Indian Tea Scenario and its opportunity in the global market, IJRDO - Journal of Social Science and Humanities Research, 5(8), 45–50
17
S Upadhyaya; E Khatiwora; D K Bora (2019). Estimation of total Phenol and flavonoid contents of Citrus limon L Burmf leaves from North Eastern region of India, Journal of Drug Delivery and Therapeutics , 9(2), 40–42 DOI: http://dx.doi.org/10.22270/jddt.v9i2-s.2443
18
Junali Chetia; Sristisri Upadhyaya; Diganta Kumar Bora (2014). Screening of Phytochemicals, Antioxidant and Antimicrobial Activity of Some Tea Garden Weeds of Tinsukia, Assam, International Journal of Pharmaceutical Sciences Review and Research, 26(1), 193–196
19
Sristisri Upadhyaya; Junali Chetia; Diganta Kumar Bora; Lakhi Ram Saikia (2014). Nutritional analysis of certain under utilized vegetables of rain forest areas of Assam, Ecology, Environment and Conservation, 20(0), 1–4
20
J Chetia; S Upadhyaya; D K Bora; L R Saikia (2014). Phenolic content, antioxidant and antimicrobial activity and nutritive value of young twig of Psidium guagava Linn. from Dibrugarh, Assam., International Journal of Pharmacy and Pharmaceutical Sciences , 6(2), 843–846
21
A K Singh; J S Bisen; ; D K Bora; R Kumar; ; B Bera; (2011). Comparative study of organic, inorganic and integrated plant nutrient supply on the yield of Darjeeling tea and soil health, Two and a Bud, 58(1), 58–61
22
J S Bisen; A K Singh; R Kumar; D K Bora; B Bera (2011). Vermicompost quality as influenced by different species of earthworm and bedding material, Two and a Bud, 58(1), 137–140
23
R Kumar; D K Bora; A K Singh; B Bera (2011). Seasonal and clonal variations in shoot extension rate and population density of Darjeeling tea clones (Camellia sinensis L.), Two and a Bud, 58(1), 74–79
1
Sonowal, S.; Phukan, S.K.; Bhuyan, R.P.; Gogoi, A.S.; Bora, D.K.; Gogoi, M. and Das, P. (2025). Innovative strategies: Nano Bioformulation in Tea Crop Production, in: Singh, M.K.; Doifode, V.; Lakhani, A.; Dhal, P.; (Eds.), Farming the Future: Advanced Techniques in Modern Agriculture Volume II, Bhumi Publishing, Nigave Khalasa Tal-Karveer, Dist-Kolhapur, Maharastra, India-416207, pp 69–71, ISBN: 978-93-95847-02-5.
2
Sonowal, S.; Phukan, S.K.; Bhuyan, R.; Gogoi, M.; Bora, D.K.; Bharadwaj, E.; Kalita, R. and Borah, K. (2025). Tea fields in harmony: A biopesticide approach to Reduce Chemical Load in Tea, in: Saikia, D.; Borah, K.; Hazarika, P.P.; Pun, K.B.; Kakati, P.; (Eds.), Dynamic Agriculture: Problems and Way Forward, Integrated Publications, H.No.-3 Pocket-H34, Sector-3, Rohini, Delhi-110085, India, pp 71–80, ISBN: 978-93-5834-236-9.
3
Sonowal, S.; Phukan, S.K.; Bhuyan, R.P.; Gogoi, A.S.; Bora, D.K.; Gogoi, M. and Das, P. (2024). Innovative Strategies: Nano Bioformulation in Tea Crop Production, in: Singh, M.K.; Doifode, V.; Lokhani, A.; Dhal, P.; (Eds.), Farming the Future: Advanced Techniques in Modern Agriculture, Bhumi Publishing, Nigave Khalasa, Tal-Karveer, Dist.-Kolhapur, Maharastra, India-416207, pp 69–71, ISBN: 978-93-95847-02-5.
4
Hazarika, B. (2024). Empowering Agriculture via Start-ups Led by Women: Prospects and Obstacles, in: Devina, T.G.; Upadhyaya, S.; (Eds.), Jyotirmoyee, Aitihya Eshona, Golaghat, Assam, Golaghat Town, Golaghat, Assam, Pin-785621, pp 38–46, ISBN: 978-81-963743-7-2.
5
Bora, D.K. and Gogoi, M. (2024). Assamese Women Achievers in Agriculture and Allied Sectors, in: Devina, T.G. and Upadhyaya, S. (Eds.), Jyotirmoyee, Aitihya Eshona, Golaghat, Assam, Golaghat Town, Golaghat, Assam, Pin-785621, pp 65–69, ISBN: 978-81-963743-7-2.
6
Hazarika, B.; Gogoi, M. and Bora, D.K. (2023). The Crucial Role of Fermentation in Black Tea Production and its Health Benefits, in: Shukla, D.R.; (Ed.), Research Trends in Food Technology and Nutrition, AkiNik Publications, 169, C-11, Sector-11, Rohini, Delhi-110085, India, pp 211–226, ISBN: 978-93-5570-869-4.
7
Hazarika, B. and Bora, D.K. (2023). Withering: The First Step to Perfect Black Tea flavour, in: Sehgal, D.M. and Borah, D.S. (Eds.), Current trends in Agriculture & Allied Sciences, S P Publishing, Unit 6, Bhubaneswar - 751001, pp 677–688, ISBN: 978-93-5967-599-2.
8
Bora, D.K. (2014). Chahor logot uddyan shasyar songmisrito kheti, in: Neog, D.M.; Sharma, D.M.; Bhattacharjjyya, D.H.C.; (Eds.), Krishikhondot atmonyukti : Projukti koushyal, Directorate of Extension Education, Assam Agricultural University, Jorhat-785013, pp 100–102.
9
Bora, D.K. (2019). Green Tea -a natural Health Drink, in: Choudhury, S.; Bora, N.; (Eds.), Accelerating Science, Mr. Surajit Choudhury, Secretary, Publication Department, Jamuguri H.S. School, Sonitpur, Assam, pp 75–76, ISBN: 978-93-5382-423-5.
1
Bora, D.K. (2023). Dynamics of CTC green tea processing and variability in quality. Ph.D.(Agri) thesis submitted to Tea Husbandry and Technology, Assam Agricultural University, Jorhat, Assam, Pin-785013
1
Bora, D.K. (2023). CTC green tea processing – a new value added green tea, ProgressiveHorticultureConclave (PHC2023), G.B.P.U.A.&T.,Pantnagar& ISHRD,Uttarakhand , G.B.P.U.A.&T.,Pantnagar& ISHRD,Uttarakhand, G.B.P.U.A.&T.,Pantnagar& ISHRD,Uttarakhand, Vol. 0(0), 230 - 230.
2
Borborah, M.; Barua, D.S.C.; Bora, D.K. and Gogoi, M. (2018). Nursery performance of some selected tea germplasm, First International Congress on Cocoa Coffee and Tea Asia 2018, Hefei, Anhui, China , State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, China, Hefei, China, Vol. 1(1), 204 - 204.
1
Bora, D.K. and Gogoi, M. (). Value addition in tea - An approach towards sustainability, Souvenir on Value addition in tea - A way to entrepreneurship development, 1(1), 12-15, DBT-NECAB, AAU Centre and Dept. of THT, AAU, Jorhat, AAU, Jorhat
2
Bora, D.K. (). Chah khuwar upakarita, Asomiya Protidin, 15(10), 6, Asomiya Protidin, Dibrugarh
3
Bora, D.K. (). Chah gosot kit potongor akramon aru niyantran, Asomiya Protidin, 20(15), 3, Asomiya Protidin, Dibrugarh
4
Bora, D.K. (). Chah Khetir Prosarata aru Anusangik Krishi Karma, Asomiya Protidin, 12(25), 12, Asomiya Protidin, Dibrugarh
5
Bora, D.K. (). Chah Gosot Kolom Korar Bogyanik Podhoti, Niyamiya Bara, 2(230), 9, Pride East Entertaintment Pvt. Ltd., Guwahati
6
Bora, D.K. (). Chahgosot Kit Potongor Akromon Aru Niyantran, Niyomiya Barta, 2(120), 15, Pride East Entertaintment Pvt. Ltd., Guwahati
7
Bora, D.K. (). Chah Pulit Sar Proyug, Asomiya Pratidin, 11(154), 14, Jatin Chowdhuri, Guwahati
8
Bora, D.K. (). Khudra Chah Khetir Prosarota Aru Anusangik Krishi Karma, Asomiya Pratidin, 11(65), 12, , Guwahati
9
Bora, D.K. (). Chah Khetit Kitnashok Drabya Proyug Korute Sabodhanota Abalombon Korok, Asomiya Pratidin, 11(280), 10, Jatin Chowdhuri, Guwahati
1
Saikia, G.K.; Bora, D.K. and Gogoi, M. (2023). Chah bagisat unnatomanor kesapat utpadon. Dept. of Tea Husbandry & Technology, AAU, Jorhat, AAU, Jorhat
2
Saikia, G.K.; Bora, D.K. and Gogoi, M. (2023). Chah bagisat kitnasok drabyaor nirapod prayug. Dept. of Tea Husbandry & Technology, AAU, Jorhat, AAU, Jorhat
3
Bora, D.K. and Gogoi, M. (2022). Songmistrito chah Kheti. KVK, Tinsukia, Tinsukia
4
Bora, D.K. and Gogoi, M. (2022). Chah gosot Helopeltis aru Red Spider pukor akromon aru yar niyantron. Dept. of Tea Husbandry & Technology, AAU, Jorhat
5
Bora, D.K. and Gogoi, M. (2022). Cultivation of Black Pepper. Dept. of Tea Husbandry & Technology, AAU, Jorhat
6
Bora, D.K. and Gogoi, M. (2022). Weed management in tea. Dept. of Tea Husbandry & Technology, AAU, Jorhat
7
Sarma, D.A.C.; Ahmed, D.P. and Bora, D.K. (2013). Kesusar Utpadon aru Bebohar. KVK, Tinsukia, Tinsukia
8
Bora, D.K. (2012). Chah gosot kalam korar bogyanik podhotti. KVK, Tinsukia, KVK, Tinsukia
1
Bora, D.K.; Gogoi, M. and Gogoi, A.S. (2024). Scope of crop diversification in tea https://www.magazines.cornous.com/article/agroscience-today/scope-of-crop-diversification-in-tea browsed on 31-03-2024
Sponsored Research
Research Projects 5 Projects
AAU, Jorhat Rs. 6.02 Lakh
Improved spinning type water remover in green tea processing
Implemented in 2023
Institutional research project
Standardisation of processing method for production of green CTC tea
Implemented in 2020
` North-East Centre for Technology Application and Reach (DST), New Delhi
Augmentation of Income of Small Tea Growers of Assam through Production & Marketing of Specialty Tea
Implemented in 2021
Department of Biotechnology Rs. 38237731 Crore
Value addition and product diversification in tea
Implemented in 2022
Central Silk Board, Bengaluru
Standardisation of processing technologies for development of a mulberry drink and blending with green tea for value addition
Implemented in 2020
Recognition & Accolades
Achievements & Honours 5 Honours
1. Received approval for a research project under the theme ' Need based


technology for stakeholders' from the Honourable Vice Chancellor, AAU, Jorhat in March, 2023.


2. Secured 2nd position in poster presentation in the International Conference on


Biodiversity, Food Security, Sustainability & Climate Change - 2023.
3. Released five different value added tea products manufactured in the Tea Processing Unit, Assam Agricultural University and received very


good response from the consumers.
Participated in a training programme on 'Export Orientation of Agriculture/Horticulture' organized by Directorate of Extension Education, AAU, Jorhat and sponsored by Extension Education Institute, AAU, Khanapara,Guwahati, Assam from 07.11.2022 to 11.11.2022.
Received Certificate of Appreciation from Dr. B.C.Deka, Vice-Chancellor, AAU, Jorhat on 26th January, 2024 in recognition of significant contribution to revenue generation through production and selling of different processed tea manufactured at Tea Processing Unit, AAU, Jorhat.
Received best oral presentation award for presenting the paper titled 'Crush Tear Curl (CTC) green tea processing - A comparative biochemical analysis with conventional green tea (orthodox form)' in the international conference on 'Climate Smart Farming: Adoption, Impacts and Implications for Sustainable Development' held at College of Agriculture, Kyrdemkulai, Ri-Bhoi, Meghalaya from 21st to 22nd November, 2024.
Learned Societies
Professional Memberships 1 Societies
Assam Science Society
Life Member